Around here
Around Norwalk River
- The Adventure Park at the Discovery MuseumBridgeport, Connecticut · 4.710.6 mi
- Lakeview Outdoor Adventures LLCSandy Hook, Connecticut · 5.016.3 mi
- Boundless Adventures Westchester's Ziplining & Aerial ParkHarrison, New York · 4.919.7 mi
- Hudson River Recreation - Croton RiverCroton-On-Hudson, New York · 4.923.7 mi
- Weir Farm National Historical ParkRecreation area1.3 mi (opens in a new tab)
- Burlingham House Visitor CenterVisitor center1.4 mi (opens in a new tab)
- Temporary Outdoor Visitor CenterVisitor center1.4 mi (opens in a new tab)
- Target Rock National Wildlife RefugeRecreation area22.3 mi (opens in a new tab)
Data Source: Recreation.gov · Source: USGS GNIS · Source: National Park Service. No claim to original U.S. Government works. · Public land: USGS PAD-US · Forest roads: USDA Forest Service MVUM · BLM routes and areas: Bureau of Land Management (simplified for web display)
About this river
Norwalk River is a 13.5 mile river near The Adventure Park at the Discovery Museum in Connecticut. Streamflow is measured at the USGS gauge Norwalk River at South Wilton, CT (site 01209700). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1962 to 2026
Norwalk River typically runs highest in March, at a median 77 cfs, and lowest in September, at 7.2 cfs. The highest flow on record for any single day is 2,270 cfs, in 2007.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 49 | 27 to 83 |
| February | 53 | 34 to 82 |
| March | 77 | 50 to 128 |
| April | 70 | 46 to 117 |
| May | 45 | 29 to 79 |
| June | 21 | 13 to 44 |
| July | 11 | 6.5 to 22 |
| August | 8.9 | 4.8 to 18 |
| September | 7.2 | 3.9 to 18 |
| October | 14 | 6.6 to 35 |
| November | 28 | 15 to 57 |
| December | 50 | 25 to 95 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 64 years of record. Statistics published by the US Geological Survey for Norwalk River at South Wilton, CT (site 01209700). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Norwalk River on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Norwalk River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
